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1、题组层级快练17 Unit 2 Working the land “阅读七选五完形”组合练(时间：35分钟).阅读理解阅读下列短文，从每题所给的四个选项(A、B、C和D)中选出最佳选项。(2017长春模拟)Scientists in Argentina have created the worlds first cow with two human genes that will enable it to produce humanlike milk.Genetic engineering was used to introduce the “mothers milk” genes into
2、the animal before birth, according to the National Institute of Agribusiness Technology in Buenos Aires.As an adult, the cloned cow “will produce milk that is similar to that of humans”， which will prove “a development of great importance for the nutrition of infants(婴儿)”， said the institute. “The c
3、loned cow, named Rosita ISA, is the first in the world with two human genes that contain the proteins present in human milk，” said the statement.In April, scientists in China published details of research showing that they had created dairy cows which produced milk containing proteins found in human
4、 breast milk. But the Argentine team said the Chinese only introduced one human gene. While their research involved two, meaning the milk will more_closely_resemble that of humans.“Our goal was to raise the nutrition value of cows milk by adding two human genes, which do good to the immune system of
5、 infants，”said Adrian Mutto, from the National University of San Martin which worked with the institute.Cristina Kirchner, President of Argentina, said the scientific institute made all Argentines proud. She also said that she had rejected the “honor” of having the cow named after her. “They came to
6、 tell me that the name is Cristina, but what woman would like to have a cow named after her? It appeared to me to be more proper to call it Rosita.”1. What is the passage mainly about?A. The importance of genetic engineering.B. Ways to improve mothers milk.C. A cloned cow to produce humanlike milk.D
7、. Advanced agricultural technology in Argentina.2. Which of the following can best replace “more closely resemble” in Paragraph 4?A. have more varieties thanB. be more similar toC. have more nutrition thanD. be more different from3. What can be inferred from Cristina Kirchners statements?A. She was
8、quite satisfied with the research done by the institute.B. She considered it an honor to name the special cow.C. She felt it improper to be named after the cow.D. She refused to give a name to the cow out of selfrespect.答案与解析【文章大意】阿根廷国家农业综合科技研究所的科学家们日前宣布，他们已成功培育出一头能够产类似人奶的奶牛。1. 答案C解析主旨大意题。根据文章第一段Sci
9、entists in Argentina have created the worlds first cow with two human genes that will enable it to produce humanlike milk可知，阿根廷的科学家们已成功培育出一头能够产类似人奶的奶牛。故选C项。2. 答案B解析词义猜测题。根据第四段的第二、三句可知，阿根廷的研究组称中国研究组仅放入了一个人类基因，而他们的研究包含了两个，这意味着产出的牛奶将和人奶更相似。故选B项。3. 答案A解析推理判断题。根据最后一段Cristina Kirchner的话“made all Argentine
10、s proud”可推知，她对这个研究感到非常满意。故选A项。.阅读填空根据短文内容，从短文后的选项中选出能填入空白处的最佳选项，选项中有两项为多余选项。 ChangeChange is hard. Youve probably noticed that. We all want to become better people stronger and healthier, more creative and more skilled, a better friend or family member. But even if we get really inspired and start d
11、oing things better, its tough to actually stick to new behaviors. _1_ Why is that? And is there anything you can do to make change easier?_2_ Recently, she told me a story that happened when she was in high school. She went to a large high school, and it was the first day of class. Many of the stude
12、nts had never met before that day. The teacher went around the room and asked each person to introduce themselves. _3_My girlfriend raised her hand and went around the room and accurately named all 30 people or so. _4_ The guy next to her looked over and said, “I couldnt even remember your name.”She
13、 said that moment was a nice experience for her. After that she felt like, “Im the type of person who is good at remembering peoples names.” _5_Heres what I learned from that story: In order to believe in a new identity, we have to prove it to ourselves.A. The rest of the room was in shock.B. You ne
14、ed to start believing new things about yourself.C. My girlfriend is great at remembering peoples names.D. At the end, the teacher asked if anyone could remember everyones name.E. Even today, shes great at remembering the names of anyone we come across.F. You have to become the type of person you wan
15、t to be, and that starts with proving your new identity to yourself.G. Its more likely that this time next year youll be doing the same thing than performing a new habit with ease.答案与解析【文章大意】本文是一篇夹叙夹议文，论述了作者对人生“改变”的感悟。1. 答案G解析“更常见的情况是，到了明年的这个时候，你还在重复着同样的事情，而不是轻轻松松保持着一个新的好习惯”与本段中的话题“改变太难了”相符。2. 答案C解析
16、根据后面的内容可知，这里谈论的是“我的女朋友非常擅长记住别人的名字”。3. 答案D解析根据上下文可知，这里应该是“等大家都介绍完毕，老师问有没有人记住了每个人的名字”。4. 答案A解析根据上下文可知，“教室里其他所有人都被震惊了”符合此语境。5. 答案E解析这句话是对所讲故事的一个总结，所以“直到现在，她仍然能记住我们遇到过的每个人的名字”符合此语境。.完形填空阅读下面短文，从短文后各题所给的四个选项(A、B、C和D)中，选出可以填入空白处的最佳选项。 (2017百校联盟)Imagine possessing something that you loved so much. Imagine what it would f
